Shadow on water surface (water plugin)

Why is there shadow on the water surface, material is from water plugin btw, placed at z(0), and surrounding it is a static mesh(not landscape)

Because that’s the way it is in real life.

Well, that’s “the way it is in real life” sort of. It’s an approximation that’s just straightforward, though it doesn’t look right with this water. Surely there’s a variable somewhere in the plugin for “receives shadows” or somesuch?